Pith Number

pith:N3OAOKDF

pith:2019:N3OAOKDF2CFMMJYNO5TFPMIAEU

not attested not anchored not stored refs pending

The superconductivity mechanism in Nd-1111 iron-based superconductor doped by calcium

F. Shahbaz Tehrani, V. Daadmehr

arxiv:1908.00675 v1 · 2019-08-02 · cond-mat.supr-con

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N3OAOKDF2CFMMJYNO5TFPMIAEU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T23:51:08.212848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6edc072865d08ac6270d776657b100250845f53adddbe0b711969f257d3fdfdd

Aliases

arxiv: 1908.00675 · arxiv_version: 1908.00675v1 · doi: 10.48550/arxiv.1908.00675 · pith_short_12: N3OAOKDF2CFM · pith_short_16: N3OAOKDF2CFMMJYN · pith_short_8: N3OAOKDF

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/N3OAOKDF2CFMMJYNO5TFPMIAEU \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6edc072865d08ac6270d776657b100250845f53adddbe0b711969f257d3fdfdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed7672f70999424a4fd030bcd8b26b4f0658a24c3b303fe428d750b61e0b49f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2019-08-02T01:38:47Z",
    "title_canon_sha256": "3754f43d7fe38384760fe4ba5d0d6bf983c96ccbb50034ee35e2cbf6e0455115"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00675",
    "kind": "arxiv",
    "version": 1
  }
}